Chest auscultation involves listening to these internal sounds to assess airflow through the trachea and the bronchial tree (Sarkar et al, 2015). Familiarity with the normal vesicular breath sounds ...

The sound a person makes when breathing is not usually noticeable. However, abnormal breath sounds may be audible with or without a stethoscope. They have a range of causes and can accompany a ...

High-pitched breath sounds are whistling sounds in a person’s airways. They’re caused by air being forced through blocked or inflamed airways.

Are you familiar with the sounds your lungs can make and what they might indicate? Learn about wheezing, crackling, stridor, and their meanings.

When performing lung auscultation, doctors will listen to at least one breath cycle. Some sounds are expected to be present as you breathe in (inspiration) and some as you breathe out (expiration).